[U-Boot] [PATCH v3 0/6] Optimize ARM relocation
Benoît Thébaudeau
benoit.thebaudeau at advansee.com
Thu Jun 13 00:38:24 CEST 2013
Hi Albert,
On Tuesday, June 11, 2013 2:17:29 PM, Albert ARIBAUD wrote:
> This series optimizes relocation by ensuring ARM
> binaries only use one type of relocation record,
> R_ARM_RELATIVE., then optimizing relocation code
> accordingly.
>
> 1. A Makefile rule is added that checks that no
> other relocation record types are generated except
> R_ARM_RELATIVE; build fails if this is the case.
>
> 2. All references to dymsym are removed, as this
> table is not used for R_ARM_RELATIVE relocations.
>
> 3. arch/arm/lib/bss.c is replaced by a more generic
> arch/arm/lib/sections.c where all section symbols will
> be defined.
>
> 4. __image_copy_start and __image_copy_end symbols
> are moved from linker scripts to arch/arm/lib/sections.c
>
> 5. __rel_dyn_start and __rel_dyn_end are moved from
> linker scripts into arch/arm/lib/sections.c
>
> 6. relocate_code is optimized based on the fact that
> symbol references are now always valid even before
> relcation, and that only R_ARM_RELATIVE relocations
> will be met.
>
> Changes in v3:
> - fix commit message typo (of -> if)
> - fix commit message typo (breaks -> break)
For this v3 series:
Reviewed-by: Benoît Thébaudeau <benoit.thebaudeau at advansee.com>
Best regards,
Benoît
More information about the U-Boot
mailing list